<template>
  <div class="top-right-btn" :style="style">
    <el-row>
      <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top"
                  v-if="search">
        <el-button size="mini" circle icon="el-icon-search" @click="toggleSearch()"/>
      </el-tooltip>
      <el-tooltip class="item" effect="dark" content="刷新" placement="top">
        <el-button size="mini" circle icon="el-icon-refresh" @click="refresh()"/>
      </el-tooltip>
      <el-tooltip class="item" effect="dark" content="显隐列" placement="top" v-if="columns" :key="columnsKey">
        <el-dropdown trigger="click" :hide-on-click="false" style="padding-left: 12px">
          <el-button size="mini" circle icon="el-icon-menu"/>
          <el-dropdown-menu slot="dropdown">
            <template v-for="item in columns">
              <el-dropdown-item :key="item.key">
                <el-checkbox :checked="item.visible" @change="checkboxChange($event, item.label)" :label="item.label"/>
              </el-dropdown-item>
            </template>
          </el-dropdown-menu>
        </el-dropdown>
      </el-tooltip>
    </el-row>
  </div>
</template>
<script>
import {getColumn, uploadColumn} from "@/api/common/column";

export default {
  name: "RightToolbar",
  data() {
    return {
      // 弹出层标题
      title: "显示/隐藏",
      // 是否显示弹出层
      open: false,
      columnsKey: 0 //强制刷新显隐列
    };
  },
  props: {
    /* 是否显示检索条件 */
    showSearch: {
      type: Boolean,
      default: true,
    },
    /* 显隐列信息 */
    columns: {
      type: Array,
    },
    /* 是否显示检索图标 */
    search: {
      type: Boolean,
      default: true,
    },
    /* 显隐列类型（transfer穿梭框、checkbox复选框） */
    showColumnsType: {
      type: String,
      default: "checkbox",
    },
    /* 右外边距 */
    gutter: {
      type: Number,
      default: 10,
    },
  },
  computed: {
    style() {
      const ret = {};
      if (this.gutter) {
        ret.marginRight = `${this.gutter / 2}px`;
      }
      return ret;
    }
  },
  created() {
    /** 2022-6-6，此处用于获取显隐列，并传递到父属性上
     * 2024-10-2 已修复，不再使用此方法，改为在接口中返回数据
     * 2024-10-6 已修复数据显示展示问题
     * */
    getColumn(this.$route.name).then(response => {
      let myColumns = response && response.data
      if (myColumns === undefined || myColumns.length !== this.columns.length) return;
      this.$emit("update:columns", myColumns);
      this.columnsKey++;
    })
  },
  mounted() {
  },
  methods: {
    // 搜索
    toggleSearch() {
      this.$emit("update:showSearch", !this.showSearch)
    },
    // 刷新
    refresh() {
      this.$emit("queryTable");
    },
    // 勾选
    checkboxChange(event, label) {
      this.columns.filter(item => item.label === label)[0].visible = event;
      uploadColumn(this.$route.name, this.columns).then();
    },
  }
}
</script>
<style lang="scss" scoped>
::v-deep .el-transfer__button {
  border-radius: 50%;
  padding: 12px;
  display: block;
  margin-left: 0px;
}

::v-deep .el-transfer__button:first-child {
  margin-bottom: 10px;
}
</style>
